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Black_prince [1.1K]
4 years ago
9

What is the key function of sphincters found along the digestive system?

Biology
2 answers:
Snowcat [4.5K]4 years ago
8 0
The sphincter<span> is the voluntary or involuntary closing and opening of a certain tube or tract inside your body. The </span>sphincter<span> of the </span>digestive tract<span> controls the amount of materials going out of the body. </span>Sphincter<span> controls the amount of food that can empty be emptied into the duodenum.</span>
lisabon 2012 [21]4 years ago
5 0
If I'm right I'd say They control and direct the quantity of food passing through the digestive organs and prevent backward movement of partially digested food. Hope it's helpful.
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Explain how the texture of a rock surface affects how fast it physically weather by water.
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Answer:

A rock's exposure to the weathering elements and its surface area can affect its rate of weathering. Rocks that are constantly bombarded by running water, wind, and other erosion agents, will weather more quickly. Rocks that have a large surface area exposed to these agents will also weather more quickly.

Explanation:

Properties of the Parent Rock ;

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  • Different minerals weather at different rates. Mafic silicates like olivine and pyroxene tend to weather much faster than felsic minerals like quartz and feldspar. Different minerals show different degrees of solubility in water in that some minerals dissolve much more readily than others. Water dissolves calcite more readily than it does feldspar, so calcite is considered to be more soluble than feldspar.
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Explanation:

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